VOLUME V. Paripatus, by ADAM SBJOGWIOK, M.A., F.B.S.; Hyziapods, by F. G. SINCLAIR, M.A. ; Insects, Part I., Introduction, Aptera, Orfchoptera, Neuroptera, and a portion of Hymemoptera (Sessiliventres and Parasitica), by DAVID SHARP, M.A., M.B., F.R.S. Prof. RAPHAEL MELX>OLA, F.R.S., F.O.S., in Ms Presidential Address to the Entomological Society of London, said :" The authors of this volume are certainly to be congratulated upon having furnished such a valuable contribution to our literature. "When its successor appears, and I will venture to express the hope that this will be at no very distant period, we shall be in possession of a treatise on the natural history of insects which, from the point of view of the general reader, will compare most favourably with any similar work that has been published in the English language." VOLUME VI. Hymenoptera (continued) (Tubulifera and Acnleata), Colaoptera, Strepsiptora, Lepidoptera, Biptera, Aplmniptera, TJiysanoptera, Hemiptera, Anoplura, by DAVID SHARP, M.A., M.B., P.B.S. SATURDAY REVIEW,Je Dr. Sharp's treatment is altogether worthy of the series and of his own high scientific reputation. . , - Certainly this is a book that should be in every entomologist's library." VOLUME VII. Hemicliordata, by Sir S. F. HABMSR, K.B.E., 8c.D., F.RS.; Ascidiaas and Amphioxns, by W. A. HE RDM AN, D.Sc., F.B.S.; Fishes (exclusive of tae Systematic Account of Teleostei), by T, W. BIUDQE, Sc.D., F.R.S.; Fisnes (Systematie Account of Teleostei), by G. A. BOULBNQEB, F.B.S. .<e All who take a serious Interest in the advance of ichthyology will find this a fascinating book." VOLUME VIII. AmpMbia aoad Beptiles, by HANS GABOW, M.A., F.B.S. NATURE-** In concluding the review we would express the opinion that by this handsome volume a very important addition, to science has been made ; that the beautiful illustrations, together with the clear and charming accounts of the life-histories which it contains, will do much to popularise the study of a rather neglected section, of zoology ; and that lovers of Reptiles, of which there aro more than one generally thinks, will feel that the new knowledge imparted to them emanates from one who is thoroughly in sympathy with, their enthusiasm." VOLUME IX. Birds, by A, H. EVANS, M.A. IBIS.^'Mr. .Evana has produced a book full of concentrated essence of* information on birda, especially as regards their outer structure and habits, and one that we can cordially recommend as a work of reference to all students of ornithology." VOLUME -X. Mammalia, by FKAKK EVERS BEDDAED, M.A., F.B.S. , WAT17&E." Cannot fail to be of very high value to all students of the Mammalia, especially from, the standpoints of morphology and palaeontology." : MACMILLAH AND CO., LTD.